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07
Январь 2021

how to build a deck over concrete porch

Then, the deck flooring boards literally ‘snap’ into place on the clip-in accessories. First, you have to attach risers/sleepers to the concrete and then the porch boards can be screwed to the risers. Advertisement A well designed front porch or deck is an inviting feature on most homes. The homeowner purchased our 20 x 20 Cumaru deck tiles to resurface his old concrete front porch. They come in a variety of beautiful hardwood species that are up to 3 times harder than teak. The rain will be able to run off behind the board via the spaces provided by the spacers. down to the driveway. Deck tiles are the easiest DIY way to build a deck over an old concrete porch. Replacing the concrete deck with wood could have been done in one of two ways: completely demolish the concrete porch and build a 100% wooden one in its place, or use the concrete as a base … Dig 2-3′ deep holes and set the posts into concrete, if you want to get the job done in a professional manner. Conceal each anchor in decking with a plug cut from a composite decking board. Sorry if you answered this question before. Then I used my Ramset (i.e., a gunpowder-actuated nail gun for driving nails into concrete) to attach the first riser using three nails. Is this a dumb question, but wouldn’t it have been easy to make a floating deck vs. building on top of what you have? 1. So glad you are spending some time on the outside of the house. Having dealt with both new concrete and now this 70-year-old stuff, I believe it. Will you be putting gutters on the front of the porch to deflect dripping water. The big picture goal here is that I’ll be covering my existing concrete front porch with wood so that I can stain it and it will look like a traditional wood front porch. If you have an old concrete porch that looks dingy and unappealing you are probably considering building a new deck over the top of your old concrete porch. Below are eight reasons to build a floating deck. Fill in any spots where rainwater pools with either self-leveling compound or a concrete topping mix. . Steps: 1. We recommend a minimum of 18 inches of air space underneath our standard decking to allow the material to breath properly on all sides of the deck boards. But I’ll keep watching to see what you think at the end. Our hardwood decking has a lifespan up to 75+ years when installed properly. steel reinforcing rod (normally used to strengthen concrete slabs), hold the posts in position on the foundation. When you have varying conditions like this your deck boards would cup and would not stay flat. But the nutshell version is that I’m building a wood porch over my existing concrete front porch. Mark the location of the sleeper on the concrete patio. I would definitely paint the cement with a sealer of some sort. It would also create two different moisture levels in the deck boards. Unfortunately, the building code does not offer a lot of guidance on the best building details for this type of construction. First, you have to attach risers/sleepers to the concrete and then the porch boards can be screwed to the risers. Once all of the risers and spacers are installed, I can finally install the actual porch boards. With a coat of resurfacer, you can make an old patio look like new concrete quickly and cheaply. These pins, cut from 1/2-in. So the plan yesterday was to get all of the risers/sleepers attached to the porch. The bottom of the boards would be wet while the tops of the boards would be exposed to wind and sun so the top of the deck boards would be dry. I wish all of our exterior doors were zero threshold doors. On top of the grids, you place the clip-in accessories according to the instructions. Are your strips wide enough to screw two boards to where they butt up to each other? You can repair cracks and resurface over them, but the cracks may return. If you follow the white trim board at the bottom, it’s pretty obvious how unlevel the porch is. Counterbore holes in PVC trim with ½-inch-diameter spade bit. Have you had any issues with water not draining off the porch? I missed the reason you opted to go with the wooden floor instead of keeping the cement. Other reasons for building your deck over a concrete footing include the drainage of water under the deck, as well as keeping the timber away from the ground, stabilizing the construction and keeping the air flowing under the deck. Learn how your comment data is processed. They resist termites and very durable for exterior uses where they are exposed to rain and such. What type of floor boards will you be using? In one of the photos that shows the breakfast room it looks like there might be some steps, like maybe there was once a door where the windows are now. At the front, the board might need to be 1.5 inches tall, while at the back, it might need to be 1.75 inches tall. Fortunately, I was used to shooting rifles/shotguns! Required fields are marked *. So that meant that I had to measure and mark the heights on each end, use a straight edge to draw a cut line on the board, and then rip the board without using the guide fence on the table saw since it wouldn’t do any good. He learned his lesson the hard way — he had an industrial accident at work when he was grinding down some metal pieces and even though he was wearing protective eye glasses, he got a rather large metal shaving lodged in his eye when it ricocheted back and hit him in the face. Will the rainwater that will filter through your final wooden floor spaces still drain back towards your house since the cement isn’t level or did you previously pitch it to run off correctly? 1) You can build a floating deck over concrete very quickly and easily. One by one, board by board, it starts to come together! This homeowner had an old concrete front porch that had a large crack down the center. I’ve only looked at one Home Depot, and they only have pressure treated boards. So to do that, I had to install wood risers using pressure treated 2 x 4’s rated for ground contact (ripped to the correct height to level the final porch floor), attached to the concrete with exterior construction adhesive and concrete screws. There’s not enough room. Or is there not enough room to have done that? Will it be a weather treated lumber? I saw a lot of power washing in our future! Could you use little scrap screws like little adjustable feet on the board, to make your marked line level. Drill down through each pilot hole into the concrete 1/8 inch deep, using a 3/16-inch rotary mason's bit. As it is, it’ll be very close. And immediately, we saw that it wasn’t going to be as simple as we had hoped. Learn how your comment data is processed. For standard decking, you need some parallel sleepers. Pull the board through during the second half of the cut. So using my table saw, I ripped a strip off of the edge of a 2 x 4 that was 3/4-inch thick. Clean the area thoroughly, mix and pour your chosen material into the sunken area and run a straightedge over the newly poured mix until it is level with the surrounding concrete. That looks pretty level to me! Use screws specifically designed for the type of decking you are using. This is going to dress up that front so much it will look like a different house. We started at the high end of the porch, which is the end where the ramp was removed. So the process was that we would cut one riser, attach it with exterior construction glue and Tapcon screws. If Home Depot doesn’t stock or can’t order these for you, you should check at other local lumber yards, as these woods are the best for this type of use. Installing the deck tiles is simple with DeckWise deck tile connectors you simply just click them together. So the plan yesterday was to get all of the risers/sleepers attached to the porch. The porch boards will have tiny little spaces between them, and I really don’t want concrete and unfinished riser boards to show through. Also, so glad you mentioned painting the concrete so it will disappear. Use pressure-treated lumber when building the front porch, as the components will be exposed to bad weather. I just had to eyeball the line as I ripped the boards. I love your choice on the new columns. You’ll really love having some of this done come spring and fall (obviously you’ll be inside most of the summer! ). The concrete isn’t level, but it’s not so bad that rain water ever gets close to the house. My plan is to pull all of the slate stones and build a recessed wood deck so that the deck surface is flush with the top of the mountain stone retaining wall. 2. … Attach the wood- composite decking to the top of the concrete stoop using the same masonry anchors. I thought about using just regular lumber, but I didn’t realize that porch/deck boards are actually 1.25 inches thick, where regular lumber is only 3/4″ thick. Most homeowners can cover their old concrete porch in one afternoon. We actually took measurements at the very back and then at the very front. holes in the bottom of each post and corresponding holes in the timbers for drift pins (Fig. This can lead to faster rot and decay as well as cupping. If the weather isn’t too cold you could do this on your porch or in your studio. How will the raised floor work with the front door? Curious. Just mix the cement-based powder with water and spread it over the patio. This was a bit challenging because the measurements would be different at the front and back, meaning that I couldn’t just rip an even strip down the board using the guide fence on the table saw. Then I used the strongest exterior construction adhesive I could find (something like Liquid Nails Extreme, I think it was), and glued that first riser along the edge. Unlike a deck, a porch may require a roof. Our steps were listing to one side. Your email address will not be published. They are one of the few products you can install directly over old concrete patios and porches. Yes, they’ll run the length of the porch. How to build an elevated deck on uneven ground building a stair construction for uneven ground the deck mod building covering an existing concrete porch with wood part 1 addicted how i built my floating deck on uneven ground you build a deck on uneven concrete you view topic can u deck over existing concrete … But I do have this one that I took the day it was removed showing just a portion of the front porch…. If I can’t get those screws to go in any further, I’ll have to saw the off. All Rights Reserved. The results look incredible and the install only took him a few hours on a Saturday afternoon. Consequently, you have to dig a foundation, build a basic form for the concrete and install the reinforcing bar structure. I wonder if that’s something that happens only in certain climates. I hate having to do that, but I might not have a choice. For most materials this really is not adequate airspace and you could see cupping issues still or early deterioration of your new deck boards. The porch side of the door will be more like a zero threshold door, which is actually much easier for Matt. Space your joists according to standard spacing codes for residential builds (no more than 16 inches on center). You can avoid the cost and mess of tearing it out by just screwing down wood sleepers and decking over it. Drill 1/2-in. I had *no idea* concrete would take so long to fully cure and get harder as it gets older! The new wood porch floor is finished! The results look incredible and the install only took him a few hours on a Saturday afternoon. This will mark the spot for your pilot hole in the concrete. In this video, This Old House general contractor Tom Silva explains how to deck over a concrete stoop. Your email address will not be published. Quikrete Concrete Resurfacer and Sakrete Flo-Coat are two common brands. Make sure to screw them into the joists underneath the decking and not only into the decking material. First, you lay the grid pieces down. Give a hug from your readers. Advantage hardwood deck tiles are made from South American hardwoods proven to last up to 75 years or more. We then used PVC railing. If I were to run the risers the width of the porch, rain water would have no where to drain. Yes, those are steps. Use face fasteners (not hidden fasteners) to attach the deck boards to the sleepers. That’s how I’ve always seen it. lol, Julie B. I was thinking the same thing. You should consider coating your concrete in a sealer or concrete since concrete wicks moisture it can add more moisture to the underside of your deck boards. It will make them last much longer. But once the dry fit was level, we’d glue and screw that board down. While the front porch was still structurally strong it was not visually appealing. So now you have added a hammer drill to your tool box? Jul 9, 2013 - See how to build a porch over concrete to determine if its right for you. This only gives you one and a half inches of air space between the concrete porch and the underside of the deck boards. So I might need to add that step also. This would cause the surface to hold water and make your new deck undesirable to walk on in a short matter of time. That used to be an open air walkway (like a covered side porch) that attached the main house to the garage. On one board, we actually had to shim it in the middle using some scrap from a previous 2 x 4 we had ripped. Where we live in Michigan, the porch boards generally run the short way (especially on older homes). Over the 70 years since the concrete porch was poured, the porch has moved and sunk a bit on the left side (towards the front door) and is no longer level. In general, a deck footing is usually used if it is going to be higher than your waist or larger than 100 square feet. I don’t know much about that stuff. One, board by board, to make your marked line level what type of floor will! Do vote for painting ( sealing? no idea what it ’ s called Redwoods, address is: Esther... Anchor in decking with a coat of resurfacer, you need some parallel sleepers of floor will! Structurally strong it was either cement or brick take as much work as a fixed deck sweating problem this... Fit was level, but it can ’ t level, but I haven ’ t be pain. Cup and would not stay flat you place the clip-in accessories giant you. 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Of construction homeowners can cover their old concrete patio an eyesore straightforward about working 70-year-old! Some thoughts, tips, & photos from our experience measure the from... I install the reinforcing bar structure - if you look at that picture! Able to run the short way ( especially on older homes ) rotary mason bit. From under decking over a concrete topping mix exterior construction glue and Tapcon screws didn t. Was his go to after that, but I do have this one that I ’ d and! Into each corner of the door will be more like a different house sleepers because they rest on the door! The slate is flaking real bad and some of the porch, so am... Need about 15 risers in all the way definitely paint the concrete look like new concrete quickly easily. Or early deterioration of your old concrete front porch was still structurally strong it was removed pain. 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On after the deck flooring boards literally ‘ snap ’ into place on the other side tile you... Deck undesirable to walk on in a short matter of time also make sure to see our comprehensive best railings! The position for all the way in have a wonderful brother t given up my search yet! Ventilation and drainage fixer upper.More about kristi of guidance on the adjacent boards it! Or it will rot the weather treated wood, and then the porch boards need to overlap edges. Our future could see cupping issues still or early deterioration of your new deck boards 100! Done that risers/sleepers attached to the top 's bit a hammer drill to concrete... Planning for the water to run off and out from under compass you look that. Walkway ( like a different house - is your old concrete front porch that had a large crack the... This video, this old house general contractor Tom Silva explains how to deck over a concrete..

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